package com.Ritany3.wx.controller;

import com.Ritany3.wx.handler.WxChatMsgFactory;
import com.Ritany3.wx.handler.WxChatMsgHandler;
import com.Ritany3.wx.utils.MessageUtil;
import com.Ritany3.wx.utils.SHA1;
import lombok.extern.slf4j.Slf4j;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.Map;
import java.util.Objects;
import java.util.stream.Collectors;
import java.util.stream.Stream;

@RestController
@Slf4j
public class CallBackController {

    private static final String token = "asdasdasd";


    @Resource
    private WxChatMsgFactory wxChatMsgFactory;





    @RequestMapping("/test")
    public String test(){
        return "hello world";
    }

    /**
     * 回调消息校验
     */
    @GetMapping("callback")
    public String callback(@RequestParam("signature") String signature,
                           @RequestParam("timestamp") String timestamp,
                           @RequestParam("nonce") String nonce,
                           @RequestParam("echostr") String echostr){

        log.info("get验签请求参数：signature:{},timestamp:{},nonce:{},echostr:{}",
                signature,timestamp,nonce,echostr);
        String shaStr = SHA1.getSHA1(token,timestamp,nonce,"");
        if(signature.equals(shaStr)){
            return echostr;
        }
        return "unknown";
    }


    /**
     * 回调消息校验
     */
    @PostMapping(value = "callback",produces = "application/xml;charset=UTF-8")
    public String callback(@RequestBody String requestBody,
            @RequestParam("signature") String signature,
            @RequestParam("timestamp") String timestamp,
            @RequestParam("nonce") String nonce,
            @RequestParam(value = "msg_signature",required = false)String msgSignature){

        log.info("接收微信的请求：requestBody:{},signature:{},timestamp:{},nonce:{}",
                requestBody,signature,timestamp,nonce);
        Map<String, String> messageMap = MessageUtil.parseXml(requestBody);
        String msgType = messageMap.get("MsgType");
        String event = messageMap.get("Event")==null ? "":messageMap.get("Event");
        log.info("msgType:{},event:{}", msgType,event);

        StringBuilder sb = new StringBuilder();
        sb.append(msgType);
        if(!StringUtils.isEmpty(event)){
            sb.append(".");
            sb.append(event);
        }
        String msgTypeKey = sb.toString();
        WxChatMsgHandler wxChatMsgHandler = wxChatMsgFactory.getHandlerByMsgType(msgTypeKey);
        if (Objects.isNull(wxChatMsgHandler)){
            return "unknown";
        }

        String replyContent = wxChatMsgHandler.dealMsg(messageMap);


        log.info("replyContent:{}",replyContent);
        return replyContent;


    }



}
